Co. Hwy. 12 over Petit Creek
PoorHancock County, Illinois · 7 MI S of Warsaw · Structure no. 034312500000000
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 350
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Co. Hwy. 12 over Petit Creek is a prestressed concrete box beam or girders - multiple carrying Co. Hwy. 12 over Petit Creek in Hancock County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 350 vehicles a day, roughly 11% of them trucks, projected to reach 354 by 2046. The structure is 51 ft (15.5 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Co. Hwy. 12 over Petit Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Co. Hwy. 12 over Petit Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does Co. Hwy. 12 over Petit Creek carry?
About 350 vehicles per day (2018 count), of which roughly 11% are trucks.
How long is Co. Hwy. 12 over Petit Creek?
The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 35 ft wide.
Who owns Co. Hwy. 12 over Petit Creek?
It is owned by the County Highway Agency.